body{
	background-color:#f5f5f5;
	margin:0;padding:0;
}
.text_small{
	font-size:0.8rem;
}
.my_header,.my_footer{
	width: 100%;
	border:0;
}

@media(min-width:576px){
	.my_header{
		height: 10.5rem;
	}
	.my_footer{
		height: 35rem;
	}
}
@media(min-width:992px){
	.my_hearer{
		height: 6.5rem;
	}
	.my_footer{
		height: 32rem;
	}
}